Explore our premium range of explosion-proof detectors, control units, and industrial shut off valves designed for harsh environments.
Founded in 2003, Xinhaosi is one of the most influential and trusted brands in the global gas safety industry. Over the past two decades, we have steadily built a robust and comprehensive production and service system, which integrates cutting-edge R&D, intelligent manufacturing with advanced automation equipment, digital marketing across global channels, professional after-sales support with an experienced technician team, flexible OEM/ODM services, as well as CNAS-Accredited laboratory calibration services that meet international standards.
Our diversified product portfolio covers industrial & residential gas detection & alarm systems, industrial & household gas solenoid valves, and urban gas pipeline network monitoring systems—all engineered to adapt to complex working environments and strict safety requirements. We produce and sell tens of millions of units annually, catering to a wide range of industries that demand reliable gas detection solutions, including oil & gas exploration and production, petrochemicals, urban gas distribution, automotive manufacturing, pharmaceuticals, new energy, steel production, and beverage processing.
Guided by the core mission of “Making Gas Safety Accessible Everywhere,” we consistently deliver high-performance, reliable products and customized solutions tailored to each client’s unique needs. Every item we manufacture undergoes rigorous quality control tests, and every service we provide is backed by our professional technical team, fully embodying our unwavering commitment to safeguarding gas safety across both industrial workplaces and residential environments.
Adhering to ISO9001 quality management system standards, Xinhaosi's core products have obtained a full range of authoritative certifications, including national compulsory Products Certification, explosion-proof certification, fire product certification, CPA measurement instrument type approval certificate, and international approvals such as CE and SIL. Additionally, Xinhaosi holds honors such as "National Quality Integrity Benchmark Enterprise" , "National Quality Leading Enterprise in the Gas Alarm Industry," member of the China Fire Protection Association, and the main drafting organization for the national standard of solenoid valves, further confirming its industry influence and reputation.
"Our graphical monitoring system for gas detection and alarm enables predictive maintenance based on historical data to reduce equipment failure rates by over 30%. Our custom flow-monitoring solenoid valve integrates flow detection and instantaneous hazard alarms into a single unit."
In the field of intellectual property, Xinhaosi has built a robust innovation system with over 50 patents and software copyrights. The company pioneered China's first networked bus-type gas leakage monitoring system and the only maximum-point gas leakage monitoring system certified by the Ministry of Public Security, demonstrating our leadership in large-scale fire protection integration. Our CNAS accredited laboratory under ILAC-MRA framework guarantees standard-compliant calibrations that accelerate global certification pathways.
An in-depth whitepaper on electromagnetic gas safety control valves, engineering compliance, and global supply chain strategies.
Utilizing high-grade electromagnetic copper coils and ultra-fast reaction armatures to secure immediate valve closure in under 1 second during hazardous leaks.
Compliance with Ex d IIC T6 Gb explosion-proof requirements and SIL (Safety Integrity Level) functional safety classifications, verifying reliable performance in volatile zones.
Tested up to 300,000 continuous open-close cycles. Heavy-duty seals (NBR/FKM) resist mechanical fatigue and chemical degradation from sulfurous natural gases.
A shut off solenoid is a key actuator in safety instrumented systems (SIS) designed for instant fluid blockades. Unlike general fluid control valves, safety shut-off valves prioritize zero-leakage, rapid reaction times, and absolute reliability under emergency conditions. Should a combustible gas detector identify a gas pocket exceeding safety thresholds, the controller immediately cuts or supplies the drive current to trigger the valve's mechanical lock, isolating the source of the leak and preventing catastrophic explosions.
As a major technical authority in safety valve standard drafting, we focus heavily on the design of the electromagnetic actuator. Minimizing coil power consumption while maintaining heavy pull-down forces is a persistent challenge. Our development teams solve this via latching type architectures, which consume energy only during state transitions. This avoids continuous heat generation within the coil, dramatically extending the operational lifespan and increasing safety levels in classified environments.
For international procurers, sourcing from a high-quality Chinese shut off solenoid factory offers significant supply chain advantages. Chinese manufacturing has evolved from basic assembly to advanced, automated engineering hubs utilizing integrated vertical ecosystems:
When vetting shut off solenoid factories, supply chain directors should look beyond unit prices. True Total Cost of Ownership (TCO) optimization requires strict compliance with international trade and engineering standards:
Tracing two decades of innovation and expanding production systems from a startup to a provincial technology center.
● Established on April 17th, 2003, laying the groundwork for specialized gas control devices.
● Launched the 1st generation of gas leak alarm and fire fighting products, targeting early urban safety grids.
● Started dedicated gas safety valve production lines, moving upstream in safety instrumentation.
● Expanded global OEM businesses, manufacturing components under major global safety labels.
● Relocated head offices to the Longtan Industrial Park to host expanded engineering and sales teams.
● Achieved record sales of over 10 million pieces of gas detector units globally.
● Moved into a dedicated Chengdu factory building to house advanced SMD and wave-soldering automation.
● Completed a comprehensive, direct sales and service network across main Chinese provinces.
● Launched high-reliability fire power monitoring systems for commercial property protection.
● Launched our self-developed Cloud IoT gas safety platform for real-time sensor array polling.
● Rolled out intelligent fire automatic alarms, emergency lighting, and dynamic evacuation indicators.
● Officially recognized as a National High-Tech Enterprise.
● Qualified as an official supplier to China's top 5 municipal gas utility suppliers.
● Initiated the construction of the Deyang manufacturing base to add high-volume valve and casting plants.
● Established the Petrochemical & International Business Divisions to provide tailored solutions globally.
● Awarded the title of Sichuan Provincial Technology Center, honoring continuous R&D excellence.
● Deyang factory construction completed and full operations started, doubling automated production output.
● Launched urban gas pipeline network monitoring systems using wireless, ultra-low power RTUs.
● Developed AI safety valve systems with real-time pressure, temperature, and leakage self-diagnostics.
How our emergency shut-off valves and detection units serve critical infrastructure across diverse industrial scenarios.
Petrochemical plants process hydrocarbons under high pressures. In these volatile areas, our explosion-proof gas detectors (Ex d IIC T6) work alongside our high-pressure gas solenoid valves. Should gas build-up occur, the detectors signal the interlock control box, closing the main fuel gas manifold in milliseconds to prevent larger explosions.
Urban pipeline operations rely on long-distance telemetry. Our low-power, bus-type gas leakage systems interface directly with municipal IoT hubs, using wireless terminals to monitor valve pit status and enable remote emergency closures.
Commercial boiler rooms require strict safety integration to comply with local fire safety codes. Our emergency gas solenoid valves connect to ventilation fans and alarm control panels to verify that gas supplies are shut down instantly if ventilation fails or carbon monoxide spikes.
Get answers to common technical, regulatory, and mechanical questions about gas safety shut-off systems.
Choose from our verified range of intelligent wireless terminals, household alarms, and explosion-proof audio-visual alarms.
